Steven R Mitchell - Net Worth and Insider Trading
Steven R Mitchell Net Worth
The estimated net worth of Steven R Mitchell is at least $776,694 dollars as of 2025-06-26. Steven R Mitchell is the Director of Aspen Aerogels Inc and owns about 134,260 shares of Aspen Aerogels Inc (ASPN) stock worth over $776,694. Steven R Mitchell is also the Director, 10% Owner of StepStone Group Inc and owns about 0 shares of StepStone Group Inc (STEP) stock worth over $0. Details can be seen in Steven R Mitchell's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Steven R Mitchell has not made any transactions after 2024-06-11 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Steven R Mitchell
Steven R Mitchell Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Steven R Mitchell owns 4 companies in total, including StepStone Group Inc (STEP) , Aspen Aerogels Inc (ASPN) , and USA Compression Partners LP (USAC) among others .
Click here to see the complete history of Steven R Mitchell’s form 4 insider trades.
Insider Ownership Summary of Steven R Mitchell
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
STEP | StepStone Group Inc | 2024-06-11 | director & 10 percent owner |
ASPN | Aspen Aerogels Inc | 2023-09-07 | director |
USAC | USA Compression Partners LP | 2013-08-30 | 10 percent owner |
![]() | ![]() | 2021-07-28 | director |
Steven R Mitchell Latest Holdings Summary
Steven R Mitchell currently owns a total of 2 stocks. Among these stocks, Steven R Mitchell owns 134,260 shares of Aspen Aerogels Inc (ASPN) as of September 7, 2023, with a value of $776,694 and a weighting of 100%. Steven R Mitchell also owns 0 shares of StepStone Group Inc (STEP) as of June 11, 2024, with a value of $0 and a weighting of 0%.
Latest Holdings of Steven R Mitchell
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
ASPN | Aspen Aerogels Inc | 2023-09-07 | 134,260 | 5.79 | 776,694 |
STEP | StepStone Group Inc | 2024-06-11 | 0 | 55.26 | 0 |
Holding Weightings of Steven R Mitchell
Steven R Mitchell Form 4 Trading Tracker
According to the SEC Form 4 filings, Steven R Mitchell has made a total of 2 transactions in Aspen Aerogels Inc (ASPN) over the past 5 years, including 2 buys and 0 sells. The most-recent trade in Aspen Aerogels Inc is the acquisition of 7,541 shares on September 7, 2023, which cost Steven R Mitchell around $49,017.
According to the SEC Form 4 filings, Steven R Mitchell has made a total of 3 transactions in StepStone Group Inc (STEP) over the past 5 years, including 0 buys and 3 sells. The most-recent trade in StepStone Group Inc is the sale of 27,500 shares on June 11, 2024, which brought Steven R Mitchell around $1 Million.
Insider Trading History of Steven R Mitchell
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Steven R Mitchell Trading Performance
GuruFocus tracks the stock performance after each of Steven R Mitchell's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Steven R Mitchell is 75.74%. GuruFocus also compares Steven R Mitchell's trading performance to market benchmark return within the same time period. The performance of stocks bought by Steven R Mitchell within 3 months outperforms 2 times out of 2 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Steven R Mitchell's insider trading performs compared to the benchmark.
Performance of Steven R Mitchell
Steven R Mitchell Ownership Network
Ownership Network List of Steven R Mitchell
Ownership Network Relation of Steven R Mitchell

Steven R Mitchell Owned Company Details
What does StepStone Group Inc do?
Who are the key executives at StepStone Group Inc?
Steven R Mitchell is the director & 10 percent owner of StepStone Group Inc. Other key executives at StepStone Group Inc include Head of Strategy Michael I Mccabe , See Remarks Jason P Ment , and Co-Chief Executive Officer Scott W Hart .
StepStone Group Inc (STEP) Insider Trades Summary
Over the past 18 months, Steven R Mitchell made 1 insider transaction in StepStone Group Inc (STEP) with a net sale of 27,500. Other recent insider transactions involving StepStone Group Inc (STEP) include a net sale of 230,000 shares made by Thomas Keck , a net sale of 100,000 shares made by Scott W Hart , and a net sale of 2,435 shares made by .
In summary, during the past 3 months, insiders sold 406,144 shares of StepStone Group Inc (STEP) in total and bought 0 shares, with a net sale of 406,144 shares. During the past 18 months, 937,182 shares of StepStone Group Inc (STEP) were sold and 22,500 shares were bought by its insiders, resulting in a net sale of 914,682 shares.
StepStone Group Inc (STEP)'s detailed insider trading history can be found in Insider Trading Tracker table.
StepStone Group Inc Insider Transactions
Steven R Mitchell Mailing Address
Above is the net worth, insider trading, and ownership report for Steven R Mitchell. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Steven R Mitchell's mailing address is: Northborough Ma 01532.